Shelf unit



FIG. 1 is a perspective view of the shelf unit showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view, the other side being a mirror image thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view of a second embodiment of the shelf unit shown in FIG. 1;

FIG. 8 is a front elevational view thereof;

FIG. 9 is a rear elevational view thereof;

FIG. 10 is a side elevational view, the other side being a mirror image thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a bottom plan view thereof;

FIG. 13 is a perspective view of a third embodiment of the shelf unit shown in FIG. 1;

FIG. 14 is a front elevational view thereof;

FIG. 15 is a rear elevational view thereof;

FIG. 16 is a side elevational view, the other side being a mirror image thereof;

FIG. 17 is a top plan view thereof; and,

FIG. 18 is a bottom plan view thereof. 

The ornamental design for a shelf unit, as shown and described. 